This bug is happen after krita-3.0.1-Alpha-ef558bb-x64 build, on krita-3.0.1-Alpha-ef558bb-x64 and below doesn't exist. When i do rotating the canvas krita do lag even i uncheck texture buffer. And when resize brush this happen too. I've update my graphic card driver and set krita to run with nvidia graphic card. My laptop is ASUS A455L ( windows 10, core i5 5200i, Nvidia geforce 920m, 12 gb ram) i'll attached the video that demonstrate the bug Reproducible: Always Steps to Reproduce: 1. Open Krita 2. New document/open document 3. Rotate and resize brush Actual Results: Lagging when resize and rotating the canvas Expected Results: Rotate and resize smoothly
Created attachment 100962 [details] krita lag video
Attesting this bugs existance. Krita 3.0.1x64 release candidate (Portable), Windows 10 x64.
*** This bug has been marked as a duplicate of bug 368347 ***